The safest appear to be the cephalosporins, such as cefaclor (Ceclor and generic), cephalexin (Keflexand generic), or cefdinir (Omnicef); macrolides, such as clarithromycin (Biaxin and generic), azithromycin (Zithromax and generic), or erythromycin (E-Mycin and generic); and penicillins, such as amoxicillin, ampicillin, and oxacillin.

The safest appear to be the cephalosporins, such as cefaclor (Ceclor and generic), cephalexin (Keflex and generic), or cefdinir (Omnicef); macrolides, such as clarithromycin (Biaxin and generic), azithromycin (Zithromax and generic), or erythromycin (E-Mycin and generic); and penicillins, such as amoxicillin, ampicillin, and oxacillin.

The safest appear to be the cephalosporins, such as cefaclor (Ceclor and generic), cephalexin (Keflexand generic), or cefdinir (Omnicef); macrolides, such as clarithromycin (Biaxin and generic), azithromycin (Zithromax and generic), or erythromycin (E-Mycin and generic); and penicillins,such as amoxicillin, ampicillin, and oxacillin.